Comparative performance of F1 Friesian x zebu heifers in Ethiopia
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Alberro, M. 1984. Comparative performance of F1 Friesian x zebu heifers in Ethiopia. Ethiopian Veterinary Journal 10(2): 42-50.
Permanent link to this item: http://hdl.handle.net/10568/66713
Presents comparative data on productive and reproductive traits of Friesian x zebu and pure zebu heifers of 14 dairy cooperatives in central Ethiopia. Discussions and data on milk yield, lactation length, milking disposition and milk let-down; age at puberty and at first calving; services per conception and conception rates; days between calving and first oestrous and conception; gestation length; calving interval; length of oestrous cycle; calving difficulties and ability to withstand drought periods; and birth weights of calves included.